PLAINS RESOURCES INC

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Notification of the removal from listing and registration of matured redeemed or retired securities

5,7

No description available

Certification of termination of registration of a class of securities (Section 12(g))

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

5,7

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

No description available

Additional Information for Proxy Statement/ Votes

5,7

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

5

No description available

No description available

No description available

No description available

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

General form for quarterly reports under Section 13 or 15(d)

5,7

Additional Information for Proxy Statement/ Votes

No description available

Annual report pursuant to Section 13 or 15(d) (amendment)

Additional Information for Proxy Statement/ Votes

Written communication about a business combination transaction (Rule 425)

Additional Information for Proxy Statement/ Votes

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Annual report pursuant to Section 13 or 15(d)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

5,7

No description available

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

5,7,9

Additional Information for Proxy Statement/ Votes

No description available

Other events

5,7

5,7

General form for quarterly reports under Section 13 or 15(d)

12,7,9

General form for quarterly reports under Section 13 or 15(d)

12,7,9

General form for quarterly reports under Section 13 or 15(d)

7,9

Annual Report Scanned (Paper)

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

FILED AS OF DATE: 20030227

5

2,7

General form for quarterly reports under Section 13 or 15(d)

9

General form for quarterly reports under Section 13 or 15(d)

9

5,7

5,7

General form for quarterly reports under Section 13 or 15(d)

Annual Report Scanned (Paper)

Annual report pursuant to Section 13 or 15(d) (amendment)

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

Registration of Securities on Exchange

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Definitive Proxy Statement

General form for quarterly reports under Section 13 or 15(d)

No description available

No description available

Prospectus Supplement for Primary Offering

Prospectus filed under Rule 424(b)(1)

Registration statement under Securities Act of 1933 (amendment)

Prospectus Supplement for Primary Offering

General form for quarterly reports under Section 13 or 15(d) (amendment)

General form for quarterly reports under Section 13 or 15(d) (amendment)

General form for quarterly reports under Section 13 or 15(d) (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

HITCHCOCK WILLIAM M

SINNOTT ROBERT V

FLORES JAMES C

SYMONDS J TAFT

RAYMOND JOHN T

OMALLEY WILLIAM C